Heath is a city in Texas and located in Rockwall and Kaufman Counties. It is part of the Dallas-Fort Worth Metroplex and is included in the 75032 zip code. The 2013 population is 7,775 residents. Most of the city is urban with a small part of the city is rural. The city is a premier residential community located on the shores of Lake Ray Hubbard. The rolling hills and sparkling lake provide a backdrop for beautiful neighborhoods and distinctive homes.